函数参考

_GUICtrlComboBoxEx_ShowDropDown

显示或隐藏组合框的列表框

#include <GuiComboBoxEx.au3>
_GUICtrlComboBoxEx_ShowDropDown($hWnd [, $fShow = False])

参数

$hWnd 控件句柄
$fShow [可选参数] 指定下拉列表框是否显示或隐藏:
 True - 显示列表框
False - 隐藏列表框

返回值

None.

注意/说明

这个函数对具有 $CBS_SIMPLE 样式的组合控件没有任何效果.

相关

_GUICtrlComboBoxEx_GetDroppedState

示例/演示


#include <GuiComboBoxEx.au3>
#include <GuiImageList.au3>
#include <GUIConstantsEx.au3>

$Debug_CB = False ;检查传递给 ComboBox/ComboBoxEx 函数的类名, 设置为True并输出到一个控件的句柄,用于检查它是否工作

_Main()

Func _Main()
    Local $hGUI, $hImage, $hCombo

    ; 创建 GUI
    $hGUI = GUICreate("ComboBoxEx Show Drop Down", 400, 300)
    $hCombo = _GUICtrlComboBoxEx_Create($hGUI, "", 2, 2, 394, 100)
    GUISetState()

    $hImage = _GUIImageList_Create(16, 16, 5, 3)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 110)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 131)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 165)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 168)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 137)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 146)
    _GUIImageList_Add($hImage, _GUICtrlComboBoxEx_CreateSolidBitMap($hCombo, 0xFF0000, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlComboBoxEx_CreateSolidBitMap($hCombo, 0x00FF00, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlComboBoxEx_CreateSolidBitMap($hCombo, 0x0000FF, 16, 16))
    _GUICtrlComboBoxEx_SetImageList($hCombo, $hImage)

    For $x = 0 To 8
        _GUICtrlComboBoxEx_AddString($hCombo, StringFormat("%03d : Random string", Random(1, 100, 1)), $x, $x)
    Next

    ; 显示下拉框
    _GUICtrlComboBoxEx_ShowDropDown($hCombo, True)

    Sleep(500)

    ; 隐藏下拉框
    _GUICtrlComboBoxEx_ShowDropDown($hCombo)


    ; 循环直到用户退出
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    GUIDelete()
EndFunc   ;==>_Main